[dpdk-dev] [PATCH v3 17/68] net/ena: use contiguous allocation for DMA memory

[Anatoly Burakov]

Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
Acked-by: Michal Krawczyk <mk at semihalf.com>
---

Notes:
    v3:
    - Moved patch earlier in the patchset
    - Allowed experimental API's in the Makefile

 drivers/net/ena/Makefile             | 3 +++
 drivers/net/ena/base/ena_plat_dpdk.h | 7 ++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ena/Makefile b/drivers/net/ena/Makefile
index f9bfe05..01c3823 100644
--- a/drivers/net/ena/Makefile
+++ b/drivers/net/ena/Makefile
@@ -43,6 +43,9 @@ INCLUDES :=-I$(SRCDIR) -I$(SRCDIR)/base/ena_defs -I$(SRCDIR)/base
 EXPORT_MAP := rte_pmd_ena_version.map
 LIBABIVER := 1
 
+# contiguous memzone reserve API are not yet stable
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
 VPATH += $(SRCDIR)/base
 #
 # all source are stored in SRCS-y
diff --git a/drivers/net/ena/base/ena_plat_dpdk.h b/drivers/net/ena/base/ena_plat_dpdk.h
index 8cba319..c1ebf00 100644
--- a/drivers/net/ena/base/ena_plat_dpdk.h
+++ b/drivers/net/ena/base/ena_plat_dpdk.h
@@ -188,7 +188,8 @@ typedef uint64_t dma_addr_t;
 		ENA_TOUCH(dmadev); ENA_TOUCH(handle);			\
 		snprintf(z_name, sizeof(z_name),			\
 				"ena_alloc_%d", ena_alloc_cnt++);	\
-		mz = rte_memzone_reserve(z_name, size, SOCKET_ID_ANY, 0); \
+		mz = rte_memzone_reserve_contig(z_name,			\
+				size, SOCKET_ID_ANY, 0);		\
 		memset(mz->addr, 0, size);				\
 		virt = mz->addr;					\
 		phys = mz->iova;					\
@@ -206,7 +207,7 @@ typedef uint64_t dma_addr_t;
 		ENA_TOUCH(dmadev); ENA_TOUCH(dev_node);			\
 		snprintf(z_name, sizeof(z_name),			\
 				"ena_alloc_%d", ena_alloc_cnt++);	\
-		mz = rte_memzone_reserve(z_name, size, node, 0); \
+		mz = rte_memzone_reserve_contig(z_name, size, node, 0);	\
 		memset(mz->addr, 0, size);				\
 		virt = mz->addr;					\
 		phys = mz->iova;					\
@@ -219,7 +220,7 @@ typedef uint64_t dma_addr_t;
 		ENA_TOUCH(dmadev); ENA_TOUCH(dev_node);			\
 		snprintf(z_name, sizeof(z_name),			\
 				"ena_alloc_%d", ena_alloc_cnt++);	\
-		mz = rte_memzone_reserve(z_name, size, node, 0); \
+		mz = rte_memzone_reserve_contig(z_name, size, node, 0);	\
 		memset(mz->addr, 0, size);				\
 		virt = mz->addr;					\
 	} while (0)
-- 
2.7.4